[NASA] Roman Space Telescope Coronagraph Instrument Poster

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NASA’s Roman Coronagraph Instrument will greatly advance our ability to directly image exoplanets, or planets and disks around other stars.

The Roman Coronagraph Instrument, a technology demonstration designed and built by NASA’s Jet Propulsion Laboratory, will fly aboard NASA’s next flagship astrophysics observatory, the

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Coronagraphs work by blocking light from a bright object, like a star, so that the observer can more easily see a nearby faint object, like a planet. The Roman Coronagraph Instrument will use a unique suite of technologies including deformable mirrors, masks, high-precision cameras, and active wavefront sensing and control to detect planets 100 million times fainter than their stars, or 100 to 1,000 times better than existing space-based coronagraphs. The Roman Coronagraph will be capable of directly imaging reflected starlight from a planet akin to Jupiter in size, temperature, and distance from its parent star.

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Artwork Key

1. The Nancy Grace Roman Space Telescope

2. Exoplanet Count : Total number of exoplanets discovered at the time of poster release. This number is increasing all of the time.

3. Nancy Grace Roman’s birth year : Nancy Grace Roman was born on May 16, 1925.  

4. Color Filters : Filters block different wavelengths, or colors, of light.

5. Exoplanet Camera

6. Deformable Mirrors : Adjusts the wavefront of incoming light by changing the shape of a mirror with thousands of tiny pistons.

7. Focal Plane Mask : This is a mask that helps to block starlight and reveal exoplanets.

8. Lyot Stop Mask : This is a mask that helps to block starlight and reveal exoplanets.

9. Fast Steering Mirror : This element corrects for telescope pointing jitter.

10. Additional Coronagraph Masks : These masks block most of the glare from stars to reveal faint orbiting planets and dusty debris disks.

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Download the Digital Version of Poster

Jan 14, 2025

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Download Press Version (highest quality for print)

Jan 14, 2025

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Coronagraph

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